Shower wall



FIG. 1 is a top and front perspective view of a shower wall according to my design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a rear elevational view thereof.

The broken line showing of a corner wall is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a “shower wall”, as shown and described. 